<template>
  <div class="wrap clearfix">
    <div class="location">
      当前位置：首页<span>&gt;</span><b class="red">购物车</b>
    </div>
    <MyTableHm
      :list="list"
      @ffn="ffn"
      @fn="fn"
      @shuliang="shuliang"
      @shu="shu"
      :isShowClear="isShowClear"
      @fnnn="fnnn"
      @shanchu="shanchu"
    >
    </MyTableHm>
  </div>
</template>

<script>
import MyTableHm from '@/components/MyTableHm.vue'

export default {
  data() {
    return {
      list: [
        {
          name: '凌美Lamy Safari钢笔/签字笔T52黑色墨水<',
          id: 0,
          oldPrice: 158.0,
          price: 129.0,
          count: 1,
          img: 'https://img-blog.csdnimg.cn/20200520143727974.jpg',
          isSelected: true,
          zongjia: 129.0,
        },
        {
          name: '凌美Lamy Safari钢笔/签字笔T52黑色墨水<',
          id: 1,
          oldPrice: 158.0,
          price: 145.0,
          count: 1,
          img: 'https://img-blog.csdnimg.cn/20200520143752215.jpg',
          isSelected: false,
          zongjia: 145.0,
        },
        {
          name: '德国进口 凌美(LAMY)签字笔钢笔墨水水笔专用一次性墨水胆笔芯5支一盒T10德国进口',
          id: 2,
          oldPrice: 158.0,
          price: 130.0,
          count: 1,
          img: 'https://img-blog.csdnimg.cn/20200520143746317.jpg',
          isSelected: true,
          zongjia: 130.0,
        },
      ],
    }
  },
  components: {
    MyTableHm,
  },
  methods: {
    fn(id) {
      this.list = this.list.filter((item) => item.id !== id)
    },
    fnnn(){
      // fnnn(a){
      // this.list.forEach(item=>item.isSelected=a)
        if (this.isShowClear) {
          // console.log(1);
        this.list.forEach((item) => (item.isSelected = false))
      } else {
        this.list.forEach((item) => (item.isSelected = true))
      }
    },
    shuliang(a) {
      this.list.forEach((item) => {
        if (item.id === a && item.count >= 2) {
          // console.log(1)
          item.count -= 1
          item.zongjia = item.price * item.count
          // console.log(item.count)
        }
      })
    },
    shu(a) {
      this.list.forEach((item) => {
        if (item.id === a) {
          item.count += 1
          // console.log(item.count)
          item.zongjia = item.price * item.count
        }
      })
    },
    ffn(id) {
      const res = this.list.find((item) => item.id === id)
      res.isSelected = !res.isSelected
    },
    shanchu(){
     this.list= this.list.filter(item=> item.isSelected===false)
    }
  },
  computed: {
    isShowClear() {
      return this.list.every((item) => item.isSelected)
    },
    // quanxuan() {
    //   if (this.isShowClear) {
    //   return  this.list.forEach((item) => (item.isSelected = true))
    //   } else {
    //   return  this.list.forEach((item) => (item.isSelected = false))
    //   }
    // },
  },
}
</script>

<style>
/* 公共样式 */
.clearfix {
  content: '';
  display: block;
  clear: both;
}

.red {
  color: #f30213;
}

.fl {
  float: left;
}

.fr {
  float: right;
}

/* 清除默认样式 */
* {
  margin: 0px;
  padding: 0px;
  font-size: 14px;
}

a {
  text-decoration: none;
  color: #333;
}

input {
  outline: none;
}

.wrap {
  width: 1180px;
  margin: 0 auto;
}

.wrap .location {
  padding: 10px 0;
  border-bottom: 1px solid #ccc;
  margin-bottom: 20px;
}

.cartTable {
  border: 1px solid #ccc;
}

.cartTable tr.title {
  background-color: rgb(241, 243, 244);
  font-weight: bold;
}

.cartTable tbody tr td {
  /* border: 1px solid rgb(245, 245, 245); */
  padding: 10px;
}

/* 原价 */
.cartTable tbody tr td .tdl {
  text-decoration: line-through;
  color: #999;
}

/* 商品数量 */
.cartTable tr .amount .unum {
  width: 70px;
  height: 30px;
  box-sizing: border-box;
  text-align: center;
  font-size: 16px;
  float: left;
}

/* 数量加减按钮 */
.cartTable tr .amount a {
  display: block;
  width: 30px;
  height: 30px;
  line-height: 30px;
  text-align: center;
  font-size: 18px;
  border: 1px solid #ccc;
  box-sizing: border-box;
}

.cartTable tr .amount a.Increase {
  border-right: none;
  float: left;
}

.cartTable tr .amount a.Reduce {
  border-left: none;
  float: left;
}

.cartTable tr.count .jiesuan .right {
  text-align: right;
}

.cartTable tr.count .jiesuan .right p {
  margin: 5px 0;
}

.cartTable tr.count .jiesuan .right .pay {
  display: block;
  width: 160px;
  height: 50px;
  line-height: 50px;
  background-color: #f30213;
  color: #fff;
  font-weight: bold;
  text-align: center;
  font-size: 20px;
}
</style>
